Sep 21, 2020 #1 kevin.kerbow New Member View Badges Joined Sep 4, 2020 Messages 11 Reaction score 14 Location san ysidro Rating - 0% 0 0 0 Anyone know what this is? Should I be worried? Thank you!
Sep 22, 2020 #2 ichthyogeek Valuable Member View Badges My Tank Thread Joined Jun 26, 2020 Messages 2,072 Reaction score 2,056 Rating - 0% 0 0 0 Looks like cyanobacteria to me. Siphon it out and overtime it will lessen as your tank matures.
Sep 22, 2020 #3 Reverend Turtle Active Member View Badges Joined Jun 26, 2017 Messages 388 Reaction score 504 Location The Crab Nebula Rating - 0% 0 0 0 I agree with ichthyogreek.